Water plugging air-bag after using the demolition method:
Removal of water plugging air-bag, confirm the pipeline no other personnel in the operation. Check the traction rope, must be tightened so. Open the valve to bleed. The bleeding process to observe the variation of water level and a traction rope situation. When necessary to pump the water in the pipeline, in order to reduce plugging air-bag rear pressure. Otherwise, due to the pressure of the water, plugging air-bag is likely to slip.
Observe the pressure gauge, confirming plugging air-bag restitution, removing plugging air-bag. Through the steps to produce the three port will be blocking the airbag traction rope is pulled out, pay attention to the protection of plugging air-bag, avoid scratching the surface.